Science

Tuesday, 14 October 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Titan
There are three seas on its surface.
The largest–Kraken Mare–has an area of 400,000 square kilometers, Ligeia Mare has an area of 126,000 ...
Enceladus
Enceladus was discovered by William Herschel on August 28, 1789.
Graphene
Graphene has the potential to replace silicon in many applications.
Graphene can be used to create microprocessors a thousand times more efficient than those we know to ...
Fungi
All fungi are heterotrophic organisms and can only occur in habitats containing organic compounds.
Many species require small amounts of them to survive. They can be saprophytes feeding on dead organic matter, or parasites developing at the expense of other living organisms.
Ganymede
The surface temperature of the moon is about 110 K.
Silver
In alternative medicine, the so-called colloidal silver as a remedy for various ailments.
Taking too large doses of such silver may lead to argyrosis, and discoloration of the skin, eyes, and mucous membranes to a blue-gray color, which is an irreversible process.
Cosmos
The exact size of the universe cannot be estimated.
We can perceive only the visible region of it (one from which light can move faster than the expandi ...
Aurora
Auroras take many shapes. They can appear in the form of colored rays, streaks, ribbons, curtains, crowns, arcs, and others.
Silver
Silver also has the highest thermal conductivity, the brightest color, and the highest light reflectance among metals for visible light.
Aluminum (Al) reflects ultraviolet light even more.
Cosmos
It is difficult to estimate the approximate number of stars in space.
According to the simples calculation taking into account the number of galaxies and the average numb ...